66 principal engineer jobs found

GFT is seeking a Senior Project Manager / Principal Engineer (Civil) to support a variety of projects in the West Region and nationwide. This role follows a hybrid work model, requiring regular attendance at our Berkeley office. Working on the Transportation team at GFT offers the opportunity to engage in transformative projects that enhance transportation infrastructure and improve community connectivity. Whether working on planning, design, and construction administration of public and private site development projects, rail projects or road/trail projects, our team excels in resilient, sustainable design and construction, delivering innovative solutions that address the complexities of modern, multimodal systems and ensure safe, efficient, and reliable space for all. What you'll be challenged to do: This position will include civil engineering design for a variety of projects, including site development, utilities, rail, storm water management and road/trail...

About CIRCOR Aerospace & Defense CIRCOR Aerospace & Defense is focused on the design, development, and manufacture of specialty fluid and motion control products for demanding aerospace and defense applications. CIRCOR products are flying on most commercial and military aircraft, including single and twin aisle air transport, business and regional jets, military transports and fighters, and commercial and military rotorcraft. Other markets include unmanned aircraft, shipboard applications, and military ground vehicles. Business units are in Corona, California; Warren, Massachusetts; Hauppauge, New York; Paris, France; Uxbridge, UK; and Tangier, Morocco. Parent company CIRCOR International is headquartered in Burlington, Massachusetts and CIRCOR Aerospace & Defense is headquartered in Corona, California. POSITION DETAILS Position Summary The Principal Engineer supports the design effort of Fluid Controls and Actuation Products. This position requires a deep...

At Bloom Energy, our vision for a world powered by clean, reliable, and affordable energy is more than just a dream-we're making it reality. For over two decades, we've been at the forefront of the global energy transition, pioneering solutions that empower critical industries to thrive in a rapidly digitizing, energy-intensive world. From revolutionizing power for AI-driven data centers to ensuring resilience for hospitals, electric grids, manufacturing facilities, and utilities, our solid oxide fuel cell (SOFC) and solid oxide electrolyzer (SOEC) technologies are redefining what's possible by delivering energy abundance for all. With more than 30,000 fuel cell modules deployed worldwide, we are the trusted partner for Fortune 100 companies and innovators alike. Our cutting-edge solutions enable unparalleled "time-to-power" capabilities, reliability, and sustainability, ensuring our customers remain ahead in a world where soaring energy demand and intensifying energy scarcity are...

Job Description Position Summary Watch your engineering designs come to life! As a Senior Associate Principal Engineer at Southland Industries, you'll experience the excitement of working on design-build and design-assist projects in healthcare, education, biotech, mission critical, commercial and entertainment markets. You'll work hand in hand with our model coordinators, estimators, and trade staff through all aspects of a project to create a design that is practical, efficient and cost effective. You'll also have access to internal teams using the most innovative practices in virtual construction design (VDC) and computational fluid dynamics, along with just-in-time feedback from the field. Position Details Serves as design professional at project team design meetings Prepares complex preliminary redline design layouts for estimating Performs more complex calculations for a project, such as heating/cooling loads, equipment selection and sizing, friction loss...

Principal Engineer, Platform System Architect Location: San Jose (on-site) The successful candidate will collaborate with customers and interface with internal teams (laser, mixed-signal silicon, photonics, packaging) to design AI rack platforms using Ayar Labs' CPO silicon photonics optical engines and ELSFP modules. The candidate will translate customer system requirements into AI rack physical specifications. The candidate will collaborate with design teams to ensure spec compliance. The candidate will represent Ayar Labs at standard setting organizations (SSOs) and promote Ayar Labs' optical interconnect technology. The candidate will collaborate with the CTO office on pathfinding activities, and product and technology roadmaps. Essential Functions: Use Ayar Labs' in-package optical I/O as the foundational technology, work with customers to design AI rack platforms for scale-up and scale-out fabrics and extended memory. Formulate AI rack platform specifications...

ABOUT AVANTUS Avantus is shaping the future by making reliable, low-cost clean energy a global reality. Our legacy of leadership in next generation solar energy includes developing one of the nation's largest solar clusters and one of the first projects to beat fossil fuel prices back in 2016. Today, we are expanding the boundaries of existing technologies to build one of the largest portfolios of smart power plants with integrated storage, capable of providing millions of people with affordable, zero-emission energy - day and night. Through our relentless pursuit of better, we are decarbonizing our planet at the gigaton level, and bringing the advantages of clean energy to all of us. ABOUT THE POSITION We are seeking a highly motivated and organized candidate for the Principal Engineer, Transmission and Interconnection position. The successful candidate will demonstrate sound industry knowledge, superior communications, and detail-oriented organizational skills. This role...

Founded in 2015, Shield AI is a venture-backed deep-tech company with the mission of protecting service members and civilians with intelligent systems. Its products include the V-BAT and X-BAT aircraft, Hivemind Enterprise, and the Hivemind Vision product lines. With offices and facilities across the U.S., Europe, the Middle East, and the Asia-Pacific, Shield AI's technology actively supports operations worldwide. For more information, visit www.shield.ai. Follow Shield AI on LinkedIn, X, Instagram, and YouTube. Job Description: Are you a passionate and innovative thermal engineer looking to help develop the next generation VTOL strike aircraft? Are you eager to make a positive difference in the world? Do you want to work alongside mission-driven and values-focused teammates? Shield AI is just the place for you! As the Principal Aircraft Thermal Engineer you will lead the charge in solving the most challenging thermal problems on the XBAT aircraft program, including hot...

Career Area: Engineering Job Description: Your Work Shapes the World at Caterpillar Inc. When you join Caterpillar, you're joining a global team who cares not just about the work we do - but also about each other. We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don't just talk about progress and innovation here - we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it. About the Role: The Turbine Production Engineering (TPE) department provides our manufacturing, operations, and supply chain partners with technical engineering support related to Solar's gas turbine components and assemblies. TPE engineers are expected to support all engine model lines with respect to their accountable part family. This position requires extensive collaboration with internal customers within manufacturing, operations, supply chain,...

GFT is seeking a talented Principal Civil / Structural Engineer to join our team in our Roseville, CA. This role follows a hybrid work model, requiring regular attendance at our Roseville office. Our specialists have the in-depth knowledge to excel on the most challenging geotechnical assignments. We provide innovative solutions for foundations; underground construction; earth structures, including dams and levees; groundwater resources; and marginal building sites. Our geotechnical engineers and geologists also specialize in landslides, sinkholes, mine subsidence, seepage, expansive soils, and seismic activity. We have completed more than 1,000 subsurface and geophysical projects across the U.S. - from small-scale projects to large, complex dams, highways, bridges, and underground structures. What you'll be challenged to do: In this role, you will support critical infrastructure design and construction across the California foothills and mountains. Our projects include...

In a world of possibilities, pursue one with endless opportunities. Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what's possible. Job Description: Opportunity: Our Parsons Irvine, California office is now hiring for a highly experienced Principal Engineer to join our team! In this role you will support major road and highway projects for Caltrans and other regional clients . Overview: Parsons has an exciting job opportunity for a Principal Engineer to join the expanding transportation infrastructure team with our Irvine, California office. We are looking for an experienced engineer that can perform and oversee a variety of engineering tasks, lead and mentor engineering staff, and...

At Bloom Energy, our vision for a world powered by clean, reliable, and affordable energy is more than just a dream-we're making it reality. For over two decades, we've been at the forefront of the global energy transition, pioneering solutions that empower critical industries to thrive in a rapidly digitizing, energy-intensive world. From revolutionizing power for AI-driven data centers to ensuring resilience for hospitals, electric grids, manufacturing facilities, and utilities, our solid oxide fuel cell (SOFC) and solid oxide electrolyzer (SOEC) technologies are redefining what's possible by delivering energy abundance for all. With more than 30,000 fuel cell modules deployed worldwide, we are the trusted partner for Fortune 100 companies and innovators alike. Our cutting-edge solutions enable unparalleled "time-to-power" capabilities, reliability, and sustainability, ensuring our customers remain ahead in a world where soaring energy demand and intensifying energy scarcity are...

ABOUT LUMILENS At Lumilens we are building the critical photonics infrastructure that powers tomorrow's AI supercomputing. From chip-to-chip optical interconnects to scalable photonic engines, Lumilens is unlocking a new era of computing - faster, cooler, and massively more efficient. We're a well-funded startup backed by Mayfield and led by veterans who've built and scaled some of the most transformative technologies in the industry. At Lumilens, we're developing high-speed photonics products purpose-built to power the future of AI infrastructure and high-performance computing. This isn't incremental innovation, it's a ground-floor opportunity to rethink the optical layer from the silicon up. You'll work alongside a team of world-class engineers solving some of the hardest challenges in scaling optical systems. Every line of code, every design decision, every breakthrough you help deliver will shape the infrastructure of tomorrow. If you're looking for mission, momentum, and...

Job Description Support and lead teams in the development of medical device products, including writing or verifying specifications; maintaining product process; designing fixtures; and testing processes, equipment, and raw materials to ensure the concepts and/or prototypes meet their requirements. Job duties: Develop new product concepts and products. Provide engineering design and process development. Generate intellectual property; write invention disclosures. Supervise technicians, specialists, and associate engineers. Specify and/or direct the specification and testing of new materials and designs. Confer with appropriate departments, resources, and/or outside services to prepare design modifications, clarify problems, and develop designs. Largely self-directed and capable of meeting project goals with minimal supervision. Perform additional responsibilities as assigned. Qualifications Bachelor's degree in Mechanical Engineering, Industrial Engineering,...

Job Description Support and lead teams in the development of medical device products, including writing or verifying specifications; maintaining product process; designing fixtures; and testing processes, equipment, and raw materials to ensure the concepts and/or prototypes meet their requirements. Job duties: Develop new product concepts and products. Provide engineering design and process development. Generate intellectual property; write invention disclosures. Supervise technicians, specialists, and associate engineers. Specify and/or direct the specification and testing of new materials and designs. Confer with appropriate departments, resources, and/or outside services to prepare design modifications, clarify problems, and develop designs. Largely self-directed and capable of meeting project goals with minimal supervision. Perform additional responsibilities as assigned. Qualifications Bachelor's degree in Mechanical Engineering, Industrial Engineering,...

Career Area: Engineering Job Description: Your Work Shapes the World at Caterpillar Inc. When you join Caterpillar, you're joining a global team who cares not just about the work we do - but also about each other. We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don't just talk about progress and innovation here - we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it. Job Description This position will serve as an Electrical Engineer within our Facility Engineering group at the Harbor Drive (downtown) facility of Solar Turbines. This position manages electrical projects related to Harbor Drive facility improvements, modifications, or surveys. This includes preparing all estimates related to engineering drawings and specifications for work that is part of a major project or a total project of moderate scope. This...

Principal Structural Analysis Engineer What You'll Do Perform stress analysis of metallic and composite structural components, assemblies and systems to provide inputs to the design and ensure structural integrity. Author, review and approve analysis documentation. Create and/or utilize Finite Element Models (FEM). Perform Durability and Damage Tolerance (DADT) assessments. Review and approve engineering definition for release in the product lifecycle system (PLM). Author, review and approve structural test plans and reports. Compare structural test results to analytical models (test vs Finite Element Model). Develop stress analysis tools and methodologies. Support multi-disciplinary configuration development and trade studies. Interface with materials & processes, structural test laboratories, flight test, manufacturing and customers/regulation authorities. Review, guide and support programs for new, supplemental and experimental certification under FAR Part 23...

At HuMannity Medtec, we pioneer life-enhancing medical technologies for under met healthcare needs. Come join our team of engineers, scientists and medical device experts who are inspired to develop innovative solutions for tomorrow's challenges. If you'd like to join a high-reward, truly inspiring environment with an experienced, diverse team working at their best every day, and take your career to the next level, apply today! We truly understand the need for balance and, among other things and offer a 9/80 schedule with every other Friday off. That's 26 long weekends a year! Summary: As a key member of the EE team, this Principal Electrical Engineer will participate in all phases of the product development of medical devices from early concept through qualification, field test, and clinical use. This role will research, develop, design, prototype, and test electrical components, circuits, equipment, and systems that support active medical implant technology. Apply engineering...

Raymond West is looking for a Principal Project Engineer to join our winning team! The Principal Project Engineer will support the development of complex integrated solution proposals in the capacity of Subject Matter Expert through award, execution, and after installation management. The Principal Project Engineer also successfully defines workflows, jobs, and reporting relationships to obtain optimum effectiveness. Impact of decisions on business operations can have a moderate to high level of impact. May evaluate and recommend changes in methods or procedures in own area of responsibility. Identifies resource needs and may develop justification. Troubleshoots and resolves complex problems. May be responsible for overall success of function or project. Raymond West is committed to providing our customers with end-to-end warehouse solutions. We bring you our industry-leading expertise in lift trucks, racking, conveyor, dock and door, rentals, parts, and service. Our customers...

Salary : $124,603.07 - $155,612.16 Annually Location : Citrus Heights, CA Job Type: Full-Time Job Number: 2026-00006 Department: General Services Division: Operations Opening Date: 02/05/2026 Description Important Recruitment Infor mation: The City is offering a hiring incentive of $14,000 for this position! Apply now and join a great team! Open Until Filled - Applications will be reviewed on a weekly basis (continuous filing) 1st Round Interviews - TBD About the Position The Engineering Division provides project and program support of activities primarily in the public right-of-way. The projects generally include public infrastructure such as roads, streets, bridges, signals and lighting, and stormwater facilities. The Principal Civil Engineer plans, organizes and directs the performance of professional engineering section activities of a complex nature involving engineering planning and design, construction project management of various capital...

Logitech is the Sweet Spot for people who want their actions to have a positive global impact while having the flexibility to do it in their own way. Logitech is the Sweet Spot for people who want their actions to have a positive global impact while having the flexibility to do it in their own way. The Team and Role: We're looking for a Principal Mechanical Engineer to be a senior technical leader and decision-maker on our Video Collaboration product development team. This is a hands-on leadership role where you'll drive architecture decisions, resolve complex cross-functional challenges, and partner with regional engineering leadership to deliver world-class products. Our products are highly integrated systems combining cameras, speakers, microphones, displays, dense compute, complex thermals, and precision mechanisms. You'll work across the full product lifecycle (from early concept through mass production) partnering closely with Industrial Design, Product Management,...